diff --git a/admin/donors.php b/admin/donors.php
index 68f0d50..ae0cf3b 100644
--- a/admin/donors.php
+++ b/admin/donors.php
@@ -223,6 +223,15 @@ function save_contact(){
 	if(validate_contactdata()){
 		// load or create the user, according to the situation
 		if($_POST['recordtype'] == 'new'){
+
+            if($_POST['email']) {
+                $q=mysql_query("SELECT *,MAX(year) FROM users WHERE email='".trim($_POST['email'])."' GROUP BY uid HAVING deleted='no'");
+                if(mysql_num_rows($q)) {
+                    error_("A user with that email address already exists");
+                    exit;
+                }
+            }
+
 			// this is a new record being submitted.  Create the user.
 			$successMessage = "Contact created successfully";
 			$successLog = "Added contact ";